Lostman Island

Lostman Island is an FPS game where you're stuck on an island. Hunt fish, grab fruits, and build a boat to escape. Survive the nights against monster. Craft your way to freedom through day and night challenges.

🧠 Core Features

• Spear-based fishing system ▼

  I am utilizing a basic Rigidbody with AddForce to propel an object towards a spear.
  
  The direction is derived from the camera towards the raycast hit point, then normalized to the spear's position.
  
  When the spear hits the fish at its body position, I've already set up an empty object on the spear.
  
  Upon impact, this object adjusts its position based on the fish's position.
  
  The fish has a script called 'Follow' that tracks this spear edge point's position and rotation.
  
  Additionally, there's a static event that triggers all fish to become alert and panic, resembling real-world behavior.

• Coconut gathering using thrown stones ▼

  These coconut trees can generate coconuts procedurally and also spawn stones within a specific radius by utilizing a random UnitSphere.
  
  Whenever a coconut is hit by a stone, it gradually weakens due to the impact.
  
  If its strength falls below zero, it will fall down by setting rb.isKinematic to false.
  
  As it falls, a 'Gatherable' script and ScriptableObject data are added to the fallen coconut, allowing players to pick it up, store it, and use it later.

• Vehicle driving with fuel management and storage ▼

  🚚 Truck Movement

  In the truck driving simulation, I utilized simple wheel colliders and torque to control vehicle movement.
  
  When entering or exiting the truck, a smooth fading effect is applied.
  
  During the fade process, the player is repositioned to the truck seat. Once the player reaches the seat, all player colliders and sensors are disabled.
  
  After that, the truck controller is enabled, allowing the player to drive the vehicle while enjoying a full 360-degree camera view.

  📦 Storage on the Back

  The game requires transporting a large number of objects from one place to another using the truck’s back storage.
  
  While transporting these objects, it is important to ensure they do not fall due to terrain irregularities or sudden movement.
  
  To solve this, I implemented a simple alignment AI that allocates a dedicated space for each stored item.
  
  This system continuously maintains proper alignment and prevents objects from collapsing or interfering with one another until the player picks them up.

  ⛽ Fuel System

  The fuel system is built around an interactable area highlighted using an outline tool to clearly indicate where interaction is possible.
  
  The system checks whether the player interacts with the fuel tank while holding a fuel can.
  
  If the conditions are met, the fuel is transferred to refill the truck, and the fuel can is destroyed to indicate that the refueling process has been completed.

• Hiding system with sound-based enemy detection ▼

  The hiding mechanic was inspired by Fear to Fathom, aiming to recreate a similar sense of tension in a different way.
  
  I implemented a simple door interaction system using DOTween to handle smooth opening and closing animations.
  
  When the door is opened or closed, an internal collider checks whether the player is positioned inside the hiding area.
  
  If the player is inside, the system switches the door material to a transparent version and activates the sound detection system, allowing enemies to react dynamically to player noise.

• Inventory system with holdable items ▼

  🎒 Holding and Inventory

  Certain objects in the game can be picked up directly by hand, while others are automatically stored in the inventory.
  
  Large objects, for example, are placed directly into the inventory. However, frequently used items such as the spear are handled differently, as storing them in the inventory would interrupt gameplay flow.
  
  For these items, interaction is managed through an interface called 'IInteractable', with the specific behavior controlled by the interactable object itself.
  
  In the ScriptableObject data, the item type is marked as 'Hold'. This restricts the player’s interaction to picking up, dropping, and using the item only.
  
  If an item is classified as an inventory item, it is automatically added to the player’s inventory and can be accessed whenever needed.

  🧰 Inventory Behaviour

  The inventory system consists of two equip slots located on the left side of the interface.
  
  The first slot functions as the main equip slot, while the second acts as an additional slot.
  
  Items can be dragged and dropped into the main slot to instantiate and use them immediately.
  
  The additional slot allows players to swap equipped items using the 'Q' key, enabling quick and efficient equipment switching during gameplay.

• Dynamic day–night cycle ▼

  Time progresses naturally, affecting lighting, atmosphere, and gameplay behavior.

🧩 Technologies Used

👥 Contributors

• 🎨 Parven - Art & Design
• 💻 Mohamed Musthafa - Lead Programmer

🎮 Availability

Available as an open-source project on GitHub for developers and Unity enthusiasts.